geomagnetic storm
Americannoun
Etymology
Origin of geomagnetic storm
First recorded in 1940–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
During the worst geomagnetic storm on record, in 1859, bright auroras were seen as far south as Panama -- and telegraph operators around the world were given electric shocks.
From Barron's • May 19, 2026
Much of the planning for a severe space weather is based on the Carrington Event of 1859, the most intense geomagnetic storm in recorded history.
From BBC • Dec. 6, 2025
Last year, a level 5 geomagnetic storm occurred for the first time in 20 years, resulting in similarly spectacular views of the Northern and Southern Lights.
From Barron's • Nov. 13, 2025
Late on Tuesday night there was a geomagnetic storm - an increase in the solar energy entering Earth's atmosphere - which enhanced the aurora.
From BBC • Apr. 16, 2025
A severe geomagnetic storm could disrupt communications and bring northern lights to parts of California, according to a warning from the National Oceanic and Atmospheric Administration.
From Los Angeles Times • Oct. 11, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
